Year	% of official school-age population
1998	74.54349
2001	60.47501
2007	81.34598
2008	80.90903
2009	82.79805
2010	81.92901
2011	85.15962
2012	70.07249
2013	82.60922
2014	79.95676
2015	77.54159
2016	75.61775
2017	81.45971